60993855 has 48 divisors (see below), whose sum is σ = 116678016. Its totient is φ = 29283840.

The previous prime is 60993853. The next prime is 60993859. The reversal of 60993855 is 55839906.

60993855 is a `hidden beast` number, since 609 + 9 + 38 + 5 + 5 = 666.

It is not a de Polignac number, because 60993855 - 2¹ = 60993853 is a prime.

It is a super-2 number, since 2×60993855² = 7440500695522050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 60993855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60993853) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22714 + ... + 25256.

It is an arithmetic number, because the mean of its divisors is an integer number (2430792).

Almost surely, 2^60993855 is an apocalyptic number.

60993855 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

60993855 is a deficient number, since it is larger than the sum of its proper divisors (55684161).

60993855 is a wasteful number, since it uses less digits than its factorization.

60993855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608 (or 2605 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 60993855 is about 7809.8562726852. The cubic root of 60993855 is about 393.6364994099.

The spelling of 60993855 in words is "sixty million, nine hundred ninety-three thousand, eight hundred fifty-five".