56281401 has 24 divisors (see below), whose sum is σ = 93356640. Its totient is φ = 32313600.

The previous prime is 56281349. The next prime is 56281411. The reversal of 56281401 is 10418265.

It is not a de Polignac number, because 56281401 - 2¹⁰ = 56280377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56281411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13080 + ... + 16841.

It is an arithmetic number, because the mean of its divisors is an integer number (3889860).

Almost surely, 2^56281401 is an apocalyptic number.

It is an amenable number.

56281401 is a deficient number, since it is larger than the sum of its proper divisors (37075239).

56281401 is a wasteful number, since it uses less digits than its factorization.

56281401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29957 (or 29954 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 56281401 is about 7502.0931079266. The cubic root of 56281401 is about 383.2260003635.

Adding to 56281401 its reverse (10418265), we get a palindrome (66699666).

The spelling of 56281401 in words is "fifty-six million, two hundred eighty-one thousand, four hundred one".