49220520 has 32 divisors (see below), whose sum is σ = 147661920. Its totient is φ = 13125440.

The previous prime is 49220519. The next prime is 49220527. The reversal of 49220520 is 2502294.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (49220527) 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, 204966 + ... + 205205.

It is an arithmetic number, because the mean of its divisors is an integer number (4614435).

Almost surely, 2^49220520 is an apocalyptic number.

49220520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49220520 is an abundant number, since it is smaller than the sum of its proper divisors (98441400).

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

49220520 is a wasteful number, since it uses less digits than its factorization.

49220520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410185 (or 410181 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 49220520 is about 7015.7337463732. The cubic root of 49220520 is about 366.4786952049.

It can be divided in two parts, 492 and 20520, that added together give a palindrome (21012).

The spelling of 49220520 in words is "forty-nine million, two hundred twenty thousand, five hundred twenty".