55513194 has 32 divisors (see below), whose sum is σ = 128246976. Its totient is φ = 15832320.

The previous prime is 55513181. The next prime is 55513201. The reversal of 55513194 is 49131555.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 23617 + ... + 25860.

It is an arithmetic number, because the mean of its divisors is an integer number (4007718).

Almost surely, 2^55513194 is an apocalyptic number.

55513194 is an abundant number, since it is smaller than the sum of its proper divisors (72733782).

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

55513194 is a wasteful number, since it uses less digits than its factorization.

55513194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49510.

The product of its digits is 13500, while the sum is 33.

The square root of 55513194 is about 7450.7176835524. The cubic root of 55513194 is about 381.4744057717.

The spelling of 55513194 in words is "fifty-five million, five hundred thirteen thousand, one hundred ninety-four".