49305920 has 28 divisors (see below), whose sum is σ = 117410484. Its totient is φ = 19722240.

The previous prime is 49305917. The next prime is 49305923. The reversal of 49305920 is 2950394.

It is an interprime number because it is at equal distance from previous prime (49305917) and next prime (49305923).

It can be written as a sum of positive squares in 2 ways, for example, as 25725184 + 23580736 = 5072^2 + 4856^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49305923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76721 + ... + 77360.

Almost surely, 2^49305920 is an apocalyptic number.

49305920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49305920 is an abundant number, since it is smaller than the sum of its proper divisors (68104564).

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

49305920 is a wasteful number, since it uses less digits than its factorization.

49305920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154098 (or 154088 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 49305920 is about 7021.8174285579. The cubic root of 49305920 is about 366.6905255366.

The spelling of 49305920 in words is "forty-nine million, three hundred five thousand, nine hundred twenty".