55801492 has 48 divisors (see below), whose sum is σ = 104428800. Its totient is φ = 26058240.

The previous prime is 55801489. The next prime is 55801507. The reversal of 55801492 is 29410855.

It is a super-2 number, since 2×55801492² = 6227613018852128, 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 15 ways as a sum of consecutive naturals, for example, 706309 + ... + 706387.

It is an arithmetic number, because the mean of its divisors is an integer number (2175600).

Almost surely, 2^55801492 is an apocalyptic number.

It is an amenable number.

55801492 is a deficient number, since it is larger than the sum of its proper divisors (48627308).

55801492 is a wasteful number, since it uses less digits than its factorization.

55801492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 55801492 is about 7470.0396250622. The cubic root of 55801492 is about 382.1336392704.

The spelling of 55801492 in words is "fifty-five million, eight hundred one thousand, four hundred ninety-two".