48257731 has 8 divisors (see below), whose sum is σ = 51161984. Its totient is φ = 45437760.

The previous prime is 48257723. The next prime is 48257743. The reversal of 48257731 is 13775284.

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

It is a cyclic number.

It is not a de Polignac number, because 48257731 - 2³ = 48257723 is a prime.

It is a super-2 number, since 2×48257731² = 4657617202536722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48257431) 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, 19890 + ... + 22183.

It is an arithmetic number, because the mean of its divisors is an integer number (6395248).

Almost surely, 2^48257731 is an apocalyptic number.

48257731 is a deficient number, since it is larger than the sum of its proper divisors (2904253).

48257731 is a wasteful number, since it uses less digits than its factorization.

48257731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42141.

The product of its digits is 47040, while the sum is 37.

The square root of 48257731 is about 6946.7784619923. The cubic root of 48257731 is about 364.0734138242.

The spelling of 48257731 in words is "forty-eight million, two hundred fifty-seven thousand, seven hundred thirty-one".