56455451 has 8 divisors (see below), whose sum is σ = 62441904. Its totient is φ = 50703840.

The previous prime is 56455423. The next prime is 56455457. The reversal of 56455451 is 15455465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56455451 is a prime.

It is a super-2 number, since 2×56455451² = 6374435895226802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56455457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58205 + ... + 59166.

It is an arithmetic number, because the mean of its divisors is an integer number (7805238).

Almost surely, 2^56455451 is an apocalyptic number.

56455451 is a deficient number, since it is larger than the sum of its proper divisors (5986453).

56455451 is a wasteful number, since it uses less digits than its factorization.

56455451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117421.

The product of its digits is 60000, while the sum is 35.

The square root of 56455451 is about 7513.6842494212. The cubic root of 56455451 is about 383.6206354476.

The spelling of 56455451 in words is "fifty-six million, four hundred fifty-five thousand, four hundred fifty-one".