55155151500 has 48 divisors (see below), whose sum is σ = 160611805536. Its totient is φ = 14708040000.

The previous prime is 55155151487. The next prime is 55155151501. The reversal of 55155151500 is 515155155.

It is not an unprimeable number, because it can be changed into a prime (55155151501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18383551 + ... + 18386550.

It is an arithmetic number, because the mean of its divisors is an integer number (3346079282).

Almost surely, 2^55155151500 is an apocalyptic number.

55155151500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55155151500 is an abundant number, since it is smaller than the sum of its proper divisors (105456654036).

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

55155151500 is a wasteful number, since it uses less digits than its factorization.

55155151500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36770123 (or 36770111 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 33.

The spelling of 55155151500 in words is "fifty-five billion, one hundred fifty-five million, one hundred fifty-one thousand, five hundred".