51740157 has 16 divisors (see below), whose sum is σ = 79073280. Its totient is φ = 29479152.

The previous prime is 51740149. The next prime is 51740189. The reversal of 51740157 is 75104715.

It is not a de Polignac number, because 51740157 - 2³ = 51740149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51740357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4108 + ... + 10970.

It is an arithmetic number, because the mean of its divisors is an integer number (4942080).

Almost surely, 2^51740157 is an apocalyptic number.

It is an amenable number.

51740157 is a deficient number, since it is larger than the sum of its proper divisors (27333123).

51740157 is a wasteful number, since it uses less digits than its factorization.

51740157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7232.

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 51740157 is about 7193.0631166423. The cubic root of 51740157 is about 372.6283676914.

The spelling of 51740157 in words is "fifty-one million, seven hundred forty thousand, one hundred fifty-seven".