55156508 has 12 divisors (see below), whose sum is σ = 105298872. Its totient is φ = 25071120.

The previous prime is 55156501. The next prime is 55156531. The reversal of 55156508 is 80565155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55156501) 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, 626735 + ... + 626822.

It is an arithmetic number, because the mean of its divisors is an integer number (8774906).

Almost surely, 2^55156508 is an apocalyptic number.

It is an amenable number.

55156508 is a deficient number, since it is larger than the sum of its proper divisors (50142364).

55156508 is a wasteful number, since it uses less digits than its factorization.

55156508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253572 (or 1253570 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 35.

The square root of 55156508 is about 7426.7427584372. The cubic root of 55156508 is about 380.6556271759.

The spelling of 55156508 in words is "fifty-five million, one hundred fifty-six thousand, five hundred eight".