55511562 has 48 divisors (see below), whose sum is σ = 120493440. Its totient is φ = 16987776.

The previous prime is 55511557. The next prime is 55511569. The reversal of 55511562 is 26511555.

It is not an unprimeable number, because it can be changed into a prime (55511569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 668773 + ... + 668855.

It is an arithmetic number, because the mean of its divisors is an integer number (2510280).

Almost surely, 2^55511562 is an apocalyptic number.

55511562 is an abundant number, since it is smaller than the sum of its proper divisors (64981878).

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

55511562 is a wasteful number, since it uses less digits than its factorization.

55511562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 184 counting only the distinct ones).

The product of its digits is 7500, while the sum is 30.

The square root of 55511562 is about 7450.6081630965. The cubic root of 55511562 is about 381.4706674873.

The spelling of 55511562 in words is "fifty-five million, five hundred eleven thousand, five hundred sixty-two".