55452772 has 12 divisors (see below), whose sum is σ = 97807360. Its totient is φ = 27507816.

The previous prime is 55452767. The next prime is 55452781. The reversal of 55452772 is 27725455.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 54072 + ... + 55087.

Almost surely, 2^55452772 is an apocalyptic number.

It is an amenable number.

55452772 is a deficient number, since it is larger than the sum of its proper divisors (42354588).

55452772 is a wasteful number, since it uses less digits than its factorization.

55452772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109290 (or 109288 counting only the distinct ones).

The product of its digits is 98000, while the sum is 37.

The square root of 55452772 is about 7446.6618024454. The cubic root of 55452772 is about 381.3359533158.

It can be divided in two parts, 5545 and 2772, that multiplied together give a triangular number (15370740 = T₅₅₄₄).

The spelling of 55452772 in words is "fifty-five million, four hundred fifty-two thousand, seven hundred seventy-two".