56142451 has 2 divisors, whose sum is σ = 56142452. Its totient is φ = 56142450.

The previous prime is 56142419. The next prime is 56142523. The reversal of 56142451 is 15424165.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56142451 - 2⁵ = 56142419 is a prime.

It is not a weakly prime, because it can be changed into another prime (56149451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28071225 + 28071226.

It is an arithmetic number, because the mean of its divisors is an integer number (28071226).

Almost surely, 2^56142451 is an apocalyptic number.

56142451 is a deficient number, since it is larger than the sum of its proper divisors (1).

56142451 is an equidigital number, since it uses as much as digits as its factorization.

56142451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4800, while the sum is 28.

The square root of 56142451 is about 7492.8266361901. The cubic root of 56142451 is about 382.9103653972.

The spelling of 56142451 in words is "fifty-six million, one hundred forty-two thousand, four hundred fifty-one".