55083770 has 32 divisors (see below), whose sum is σ = 113591808. Its totient is φ = 18839808.

The previous prime is 55083751. The next prime is 55083773. The reversal of 55083770 is 7738055.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 55083770.

It is not an unprimeable number, because it can be changed into a prime (55083773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40847 + ... + 42173.

It is an arithmetic number, because the mean of its divisors is an integer number (3549744).

Almost surely, 2^55083770 is an apocalyptic number.

55083770 is an abundant number, since it is smaller than the sum of its proper divisors (58508038).

55083770 is a wasteful number, since it uses less digits than its factorization.

55083770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 55083770 is about 7421.8441104620. The cubic root of 55083770 is about 380.4882228796.

The spelling of 55083770 in words is "fifty-five million, eighty-three thousand, seven hundred seventy".