55901394 has 16 divisors (see below), whose sum is σ = 124225440. Its totient is φ = 18633780.

The previous prime is 55901393. The next prime is 55901407. The reversal of 55901394 is 49310955.

55901394 is a `hidden beast` number, since 559 + 0 + 13 + 94 = 666.

It is a super-2 number, since 2×55901394² = 6249931702286472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55901393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517552 + ... + 517659.

It is an arithmetic number, because the mean of its divisors is an integer number (7764090).

Almost surely, 2^55901394 is an apocalyptic number.

55901394 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

55901394 is an abundant number, since it is smaller than the sum of its proper divisors (68324046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55901394 is a wasteful number, since it uses less digits than its factorization.

55901394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035222 (or 1035216 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 55901394 is about 7476.7234802419. The cubic root of 55901394 is about 382.3615492769.

The spelling of 55901394 in words is "fifty-five million, nine hundred one thousand, three hundred ninety-four".