55452537 has 12 divisors (see below), whose sum is σ = 91540800. Its totient is φ = 31687128.

The previous prime is 55452533. The next prime is 55452547. The reversal of 55452537 is 73525455.

55452537 is a `hidden beast` number, since 554 + 52 + 53 + 7 = 666.

It is not a de Polignac number, because 55452537 - 2² = 55452533 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55452533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 440037 + ... + 440162.

It is an arithmetic number, because the mean of its divisors is an integer number (7628400).

Almost surely, 2^55452537 is an apocalyptic number.

It is an amenable number.

55452537 is a deficient number, since it is larger than the sum of its proper divisors (36088263).

55452537 is a wasteful number, since it uses less digits than its factorization.

55452537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880212 (or 880209 counting only the distinct ones).

The product of its digits is 105000, while the sum is 36.

The square root of 55452537 is about 7446.6460235464. The cubic root of 55452537 is about 381.3354146347.

The spelling of 55452537 in words is "fifty-five million, four hundred fifty-two thousand, five hundred thirty-seven".