56251429 has 4 divisors (see below), whose sum is σ = 60578476. Its totient is φ = 51924384.

The previous prime is 56251417. The next prime is 56251441. The reversal of 56251429 is 92415265.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (56251417) and next prime (56251441).

It can be written as a sum of positive squares in 2 ways, for example, as 14455204 + 41796225 = 3802^2 + 6465^2 .

It is a cyclic number.

It is not a de Polignac number, because 56251429 - 2⁷ = 56251301 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56251394 and 56251403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56251409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2163504 + ... + 2163529.

It is an arithmetic number, because the mean of its divisors is an integer number (15144619).

Almost surely, 2^56251429 is an apocalyptic number.

It is an amenable number.

56251429 is a deficient number, since it is larger than the sum of its proper divisors (4327047).

56251429 is a wasteful number, since it uses less digits than its factorization.

56251429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4327046.

The product of its digits is 21600, while the sum is 34.

The square root of 56251429 is about 7500.0952660616. The cubic root of 56251429 is about 383.1579607802.

The spelling of 56251429 in words is "fifty-six million, two hundred fifty-one thousand, four hundred twenty-nine".