54902691 has 24 divisors (see below), whose sum is σ = 83092464. Its totient is φ = 36223200.

The previous prime is 54902689. The next prime is 54902719. The reversal of 54902691 is 19620945.

54902691 is a `hidden beast` number, since 549 + 0 + 26 + 91 = 666.

It is not a de Polignac number, because 54902691 - 2¹ = 54902689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54902611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23425 + ... + 25661.

It is an arithmetic number, because the mean of its divisors is an integer number (3462186).

Almost surely, 2^54902691 is an apocalyptic number.

54902691 is a deficient number, since it is larger than the sum of its proper divisors (28189773).

54902691 is a wasteful number, since it uses less digits than its factorization.

54902691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2353 (or 2341 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 54902691 is about 7409.6350112539. The cubic root of 54902691 is about 380.0708339791.

The spelling of 54902691 in words is "fifty-four million, nine hundred two thousand, six hundred ninety-one".