49117572 has 36 divisors (see below), whose sum is σ = 141895936. Its totient is φ = 14033520.

The previous prime is 49117553. The next prime is 49117589. The reversal of 49117572 is 27571194.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97204 + ... + 97707.

Almost surely, 2^49117572 is an apocalyptic number.

49117572 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

49117572 is an abundant number, since it is smaller than the sum of its proper divisors (92778364).

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

49117572 is a wasteful number, since it uses less digits than its factorization.

49117572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194928 (or 194923 counting only the distinct ones).

The product of its digits is 17640, while the sum is 36.

The square root of 49117572 is about 7008.3929684343. The cubic root of 49117572 is about 366.2230119855.

The spelling of 49117572 in words is "forty-nine million, one hundred seventeen thousand, five hundred seventy-two".