56450157 has 4 divisors (see below), whose sum is σ = 75266880. Its totient is φ = 37633436.

The previous prime is 56450143. The next prime is 56450179. The reversal of 56450157 is 75105465.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56450157 - 2²³ = 48061549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56450657) 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, 9408357 + ... + 9408362.

It is an arithmetic number, because the mean of its divisors is an integer number (18816720).

Almost surely, 2^56450157 is an apocalyptic number.

It is an amenable number.

56450157 is a deficient number, since it is larger than the sum of its proper divisors (18816723).

56450157 is a wasteful number, since it uses less digits than its factorization.

56450157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18816722.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 56450157 is about 7513.3319506062. The cubic root of 56450157 is about 383.6086439800.

It can be divided in two parts, 564 and 50157, that added together give a triangular number (50721 = T₃₁₈).

The spelling of 56450157 in words is "fifty-six million, four hundred fifty thousand, one hundred fifty-seven".