49570920 has 256 divisors, whose sum is σ = 193536000. Its totient is φ = 11052288.

The previous prime is 49570919. The next prime is 49570921. The reversal of 49570920 is 2907594.

It is an interprime number because it is at equal distance from previous prime (49570919) and next prime (49570921).

It is a super-2 number, since 2×49570920² = 4914552219292800, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49570921) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 597199 + ... + 597281.

It is an arithmetic number, because the mean of its divisors is an integer number (756000).

Almost surely, 2^49570920 is an apocalyptic number.

49570920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49570920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96768000).

49570920 is an abundant number, since it is smaller than the sum of its proper divisors (143965080).

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

49570920 is a wasteful number, since it uses less digits than its factorization.

49570920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 49570920 is about 7040.6619007022. The cubic root of 49570920 is about 367.3462914048.

49570920 divided by its sum of digits (36) gives a triangular number (1376970 = T₁₆₅₉).

The spelling of 49570920 in words is "forty-nine million, five hundred seventy thousand, nine hundred twenty".