53855007 has 16 divisors (see below), whose sum is σ = 72758400. Its totient is φ = 35431200.

The previous prime is 53855003. The next prime is 53855027. The reversal of 53855007 is 70055835.

It is not a de Polignac number, because 53855007 - 2² = 53855003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53855003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94032 + ... + 94602.

It is an arithmetic number, because the mean of its divisors is an integer number (4547400).

Almost surely, 2^53855007 is an apocalyptic number.

53855007 is a deficient number, since it is larger than the sum of its proper divisors (18903393).

53855007 is a wasteful number, since it uses less digits than its factorization.

53855007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 53855007 is about 7338.5970730106. The cubic root of 53855007 is about 377.6377159335.

The spelling of 53855007 in words is "fifty-three million, eight hundred fifty-five thousand, seven".