49427157 has 16 divisors (see below), whose sum is σ = 71406720. Its totient is φ = 30230592.

The previous prime is 49427137. The next prime is 49427197. The reversal of 49427157 is 75172494.

It is not a de Polignac number, because 49427157 - 2⁸ = 49426901 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49427117) 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, 2719 + ... + 10307.

It is an arithmetic number, because the mean of its divisors is an integer number (4462920).

Almost surely, 2^49427157 is an apocalyptic number.

It is an amenable number.

49427157 is a deficient number, since it is larger than the sum of its proper divisors (21979563).

49427157 is a wasteful number, since it uses less digits than its factorization.

49427157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7772.

The product of its digits is 70560, while the sum is 39.

The square root of 49427157 is about 7030.4450072524. The cubic root of 49427157 is about 366.9908280245.

The spelling of 49427157 in words is "forty-nine million, four hundred twenty-seven thousand, one hundred fifty-seven".