55511170 has 48 divisors (see below), whose sum is σ = 118311480. Its totient is φ = 18627840.

The previous prime is 55511161. The next prime is 55511189. The reversal of 55511170 is 7111555.

It can be written as a sum of positive squares in 4 ways, for example, as 21650409 + 33860761 = 4653^2 + 5819^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13966 + ... + 17494.

Almost surely, 2^55511170 is an apocalyptic number.

55511170 is an abundant number, since it is smaller than the sum of its proper divisors (62800310).

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

55511170 is a wasteful number, since it uses less digits than its factorization.

55511170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571 (or 3560 counting only the distinct ones).

The product of its (nonzero) digits is 875, while the sum is 25.

The square root of 55511170 is about 7450.5818564727. The cubic root of 55511170 is about 381.4697695551.

It can be divided in two parts, 55 and 511170, that added together give a square (511225 = 715²).

The spelling of 55511170 in words is "fifty-five million, five hundred eleven thousand, one hundred seventy".