87948550 has 48 divisors (see below), whose sum is σ = 176274432. Its totient is φ = 32551200.

The previous prime is 87948547. The next prime is 87948557. The reversal of 87948550 is 5584978.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 87948550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87948557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34417 + ... + 36883.

It is an arithmetic number, because the mean of its divisors is an integer number (3672384).

Almost surely, 2^87948550 is an apocalyptic number.

87948550 is an abundant number, since it is smaller than the sum of its proper divisors (88325882).

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

87948550 is a wasteful number, since it uses less digits than its factorization.

87948550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2533 (or 2528 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 46.

The square root of 87948550 is about 9378.0888244887. The cubic root of 87948550 is about 444.7093165362.

The spelling of 87948550 in words is "eighty-seven million, nine hundred forty-eight thousand, five hundred fifty".