56531495 has 4 divisors (see below), whose sum is σ = 67837800. Its totient is φ = 45225192.

The previous prime is 56531491. The next prime is 56531537. The reversal of 56531495 is 59413565.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59413565 = 5 ⋅11882713.

It is a cyclic number.

It is not a de Polignac number, because 56531495 - 2² = 56531491 is a prime.

It is a super-3 number, since 3×56531495³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56531491) 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, 5653145 + ... + 5653154.

It is an arithmetic number, because the mean of its divisors is an integer number (16959450).

Almost surely, 2^56531495 is an apocalyptic number.

56531495 is a deficient number, since it is larger than the sum of its proper divisors (11306305).

56531495 is a wasteful number, since it uses less digits than its factorization.

56531495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11306304.

The product of its digits is 81000, while the sum is 38.

The square root of 56531495 is about 7518.7429135461. The cubic root of 56531495 is about 383.7928004549.

The spelling of 56531495 in words is "fifty-six million, five hundred thirty-one thousand, four hundred ninety-five".