55801270 has 16 divisors (see below), whose sum is σ = 114791328. Its totient is φ = 19131840.

The previous prime is 55801253. The next prime is 55801297. The reversal of 55801270 is 7210855.

55801270 is nontrivially palindromic in base 3.

It is a super-2 number, since 2×55801270² = 6227563467225800, 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 7 ways as a sum of consecutive naturals, for example, 398511 + ... + 398650.

It is an arithmetic number, because the mean of its divisors is an integer number (7174458).

Almost surely, 2^55801270 is an apocalyptic number.

55801270 is an abundant number, since it is smaller than the sum of its proper divisors (58990058).

55801270 is a wasteful number, since it uses less digits than its factorization.

55801270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797175.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 55801270 is about 7470.0247656885. The cubic root of 55801270 is about 382.1331325111.

The spelling of 55801270 in words is "fifty-five million, eight hundred one thousand, two hundred seventy".