56611401 has 16 divisors (see below), whose sum is σ = 94107648. Its totient is φ = 29408400.

The previous prime is 56611397. The next prime is 56611421. The reversal of 56611401 is 10411665.

It is not a de Polignac number, because 56611401 - 2² = 56611397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56611421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122305 + ... + 122766.

It is an arithmetic number, because the mean of its divisors is an integer number (5881728).

Almost surely, 2^56611401 is an apocalyptic number.

It is an amenable number.

56611401 is a deficient number, since it is larger than the sum of its proper divisors (37496247).

56611401 is a wasteful number, since it uses less digits than its factorization.

56611401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245092.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 56611401 is about 7524.0548243617. The cubic root of 56611401 is about 383.9735428278.

The spelling of 56611401 in words is "fifty-six million, six hundred eleven thousand, four hundred one".