55503772 has 12 divisors (see below), whose sum is σ = 97207936. Its totient is φ = 27730080.

The previous prime is 55503751. The next prime is 55503787. The reversal of 55503772 is 27730555.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1168 + ... + 10600.

Almost surely, 2^55503772 is an apocalyptic number.

It is an amenable number.

55503772 is a deficient number, since it is larger than the sum of its proper divisors (41704164).

55503772 is a wasteful number, since it uses less digits than its factorization.

55503772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10908 (or 10906 counting only the distinct ones).

The product of its (nonzero) digits is 36750, while the sum is 34.

The square root of 55503772 is about 7450.0853686384. The cubic root of 55503772 is about 381.4528225831.

The spelling of 55503772 in words is "fifty-five million, five hundred three thousand, seven hundred seventy-two".