47155752 has 48 divisors (see below), whose sum is σ = 145959840. Its totient is φ = 13472928.

The previous prime is 47155751. The next prime is 47155753. The reversal of 47155752 is 25755174.

It is an interprime number because it is at equal distance from previous prime (47155751) and next prime (47155753).

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

It is not an unprimeable number, because it can be changed into a prime (47155751) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46278 + ... + 47285.

It is an arithmetic number, because the mean of its divisors is an integer number (3040830).

Almost surely, 2^47155752 is an apocalyptic number.

47155752 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

47155752 is an abundant number, since it is smaller than the sum of its proper divisors (98804088).

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

47155752 is a wasteful number, since it uses less digits than its factorization.

47155752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93582 (or 93575 counting only the distinct ones).

The product of its digits is 49000, while the sum is 36.

The square root of 47155752 is about 6867.0045871544. The cubic root of 47155752 is about 361.2808081068.

The spelling of 47155752 in words is "forty-seven million, one hundred fifty-five thousand, seven hundred fifty-two".