49860864 has 216 divisors, whose sum is σ = 162620640. Its totient is φ = 14598144.

The previous prime is 49860817. The next prime is 49860871. The reversal of 49860864 is 46806894.

It is a happy number.

It is a super-2 number, since 2×49860864² = 4972211517652992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 744159 + ... + 744225.

Almost surely, 2^49860864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49860864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81310320).

49860864 is an abundant number, since it is smaller than the sum of its proper divisors (112759776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49860864 is a wasteful number, since it uses less digits than its factorization.

49860864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 49860864 is about 7061.2225570364. Note that the first 3 decimals coincide. The cubic root of 49860864 is about 368.0611114641.

The spelling of 49860864 in words is "forty-nine million, eight hundred sixty thousand, eight hundred sixty-four".