55010550 has 48 divisors (see below), whose sum is σ = 155918592. Its totient is φ = 12573600.

The previous prime is 55010531. The next prime is 55010563. The reversal of 55010550 is 5501055.

It is a super-2 number, since 2×55010550² = 6052321222605000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 25146 + ... + 27245.

It is an arithmetic number, because the mean of its divisors is an integer number (3248304).

Almost surely, 2^55010550 is an apocalyptic number.

55010550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55010550 is an abundant number, since it is smaller than the sum of its proper divisors (100908042).

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

55010550 is a wasteful number, since it uses less digits than its factorization.

55010550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52413 (or 52408 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 21.

The square root of 55010550 is about 7416.9097338447. The cubic root of 55010550 is about 380.3195603691.

The spelling of 55010550 in words is "fifty-five million, ten thousand, five hundred fifty".