55150504 has 16 divisors (see below), whose sum is σ = 107903520. Its totient is φ = 26376240.

The previous prime is 55150409. The next prime is 55150507. The reversal of 55150504 is 40505155.

It is not an unprimeable number, because it can be changed into a prime (55150507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149682 + ... + 150049.

It is an arithmetic number, because the mean of its divisors is an integer number (6743970).

Almost surely, 2^55150504 is an apocalyptic number.

It is an amenable number.

55150504 is a deficient number, since it is larger than the sum of its proper divisors (52753016).

55150504 is a wasteful number, since it uses less digits than its factorization.

55150504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299760 (or 299756 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 55150504 is about 7426.3385325475. The cubic root of 55150504 is about 380.6418147272.

Adding to 55150504 its reverse (40505155), we get a palindrome (95655659).

The spelling of 55150504 in words is "fifty-five million, one hundred fifty thousand, five hundred four".