47540520 has 192 divisors, whose sum is σ = 164848320. Its totient is φ = 12317184.

The previous prime is 47540513. The next prime is 47540557. The reversal of 47540520 is 2504574.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 651204 + ... + 651276.

It is an arithmetic number, because the mean of its divisors is an integer number (858585).

Almost surely, 2^47540520 is an apocalyptic number.

47540520 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 47540520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82424160).

47540520 is an abundant number, since it is smaller than the sum of its proper divisors (117307800).

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

47540520 is a wasteful number, since it uses less digits than its factorization.

47540520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 47540520 is about 6894.9633791631. The cubic root of 47540520 is about 362.2607727980.

The spelling of 47540520 in words is "forty-seven million, five hundred forty thousand, five hundred twenty".