55015016 has 32 divisors (see below), whose sum is σ = 118128000. Its totient is φ = 23530176.

The previous prime is 55014991. The next prime is 55015019. The reversal of 55015016 is 61051055.

It is a junction number, because it is equal to n+sod(n) for n = 55014982 and 55015000.

It is not an unprimeable number, because it can be changed into a prime (55015019) 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, 50930 + ... + 51998.

It is an arithmetic number, because the mean of its divisors is an integer number (3691500).

Almost surely, 2^55015016 is an apocalyptic number.

55015016 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55015016 is an abundant number, since it is smaller than the sum of its proper divisors (63112984).

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

55015016 is a wasteful number, since it uses less digits than its factorization.

55015016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001 (or 1997 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 55015016 is about 7417.2107965191. The cubic root of 55015016 is about 380.3298520992.

The spelling of 55015016 in words is "fifty-five million, fifteen thousand, sixteen".