55511514 has 32 divisors (see below), whose sum is σ = 127342080. Its totient is φ = 17906400.

The previous prime is 55511509. The next prime is 55511537. The reversal of 55511514 is 41511555.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14907 + ... + 18254.

It is an arithmetic number, because the mean of its divisors is an integer number (3979440).

Almost surely, 2^55511514 is an apocalyptic number.

55511514 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

55511514 is an abundant number, since it is smaller than the sum of its proper divisors (71830566).

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

55511514 is a wasteful number, since it uses less digits than its factorization.

55511514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33203 (or 33197 counting only the distinct ones).

The product of its digits is 2500, while the sum is 27.

The square root of 55511514 is about 7450.6049418822. The cubic root of 55511514 is about 381.4705575366.

The spelling of 55511514 in words is "fifty-five million, five hundred eleven thousand, five hundred fourteen".