55452504 has 32 divisors (see below), whose sum is σ = 146787120. Its totient is φ = 17396736.

The previous prime is 55452503. The next prime is 55452511. The reversal of 55452504 is 40525455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55452503) 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, 67549 + ... + 68364.

Almost surely, 2^55452504 is an apocalyptic number.

It is an amenable number.

55452504 is an abundant number, since it is smaller than the sum of its proper divisors (91334616).

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

55452504 is a wasteful number, since it uses less digits than its factorization.

55452504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135939 (or 135935 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 55452504 is about 7446.6438077835. The cubic root of 55452504 is about 381.3353389900.

Adding to 55452504 its reverse (40525455), we get a palindrome (95977959).

The spelling of 55452504 in words is "fifty-five million, four hundred fifty-two thousand, five hundred four".