55501321154 has 16 divisors (see below), whose sum is σ = 87747079680. Its totient is φ = 26256075120.

The previous prime is 55501321129. The next prime is 55501321163. The reversal of 55501321154 is 45112310555.

55501321154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×55501321154³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55501321154.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 915362 + ... + 974109.

It is an arithmetic number, because the mean of its divisors is an integer number (5484192480).

Almost surely, 2^55501321154 is an apocalyptic number.

55501321154 is a deficient number, since it is larger than the sum of its proper divisors (32245758526).

55501321154 is a wasteful number, since it uses less digits than its factorization.

55501321154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890265.

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 55501321154 in words is "fifty-five billion, five hundred one million, three hundred twenty-one thousand, one hundred fifty-four".