55293952 has 144 divisors (see below), whose sum is σ = 140049000. Its totient is φ = 21676032.

The previous prime is 55293943. The next prime is 55293967. The reversal of 55293952 is 25939255.

It is a super-2 number, since 2×55293952² = 6114842255556608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1906674 + ... + 1906702.

Almost surely, 2^55293952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55293952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70024500).

55293952 is an abundant number, since it is smaller than the sum of its proper divisors (84755048).

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

55293952 is a wasteful number, since it uses less digits than its factorization.

55293952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 57 counting only the distinct ones).

The product of its digits is 121500, while the sum is 40.

The square root of 55293952 is about 7435.9903173686. The cubic root of 55293952 is about 380.9715490038.

The spelling of 55293952 in words is "fifty-five million, two hundred ninety-three thousand, nine hundred fifty-two".