55151508 has 24 divisors (see below), whose sum is σ = 130239648. Its totient is φ = 18162016.

The previous prime is 55151501. The next prime is 55151513. The reversal of 55151508 is 80515155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55151501) 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, 26691 + ... + 28682.

It is an arithmetic number, because the mean of its divisors is an integer number (5426652).

Almost surely, 2^55151508 is an apocalyptic number.

It is an amenable number.

55151508 is an abundant number, since it is smaller than the sum of its proper divisors (75088140).

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

55151508 is a wasteful number, since it uses less digits than its factorization.

55151508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55463 (or 55461 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 30.

The square root of 55151508 is about 7426.4061294815. The cubic root of 55151508 is about 380.6441245402.

The spelling of 55151508 in words is "fifty-five million, one hundred fifty-one thousand, five hundred eight".