48912290 has 48 divisors (see below), whose sum is σ = 103186872. Its totient is φ = 16644096.

The previous prime is 48912271. The next prime is 48912317. The reversal of 48912290 is 9221984.

It can be written as a sum of positive squares in 4 ways, for example, as 48121969 + 790321 = 6937^2 + 889^2 .

It is a super-2 number, since 2×48912290² = 4784824226088200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 48912290.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84482 + ... + 85058.

Almost surely, 2^48912290 is an apocalyptic number.

48912290 is an abundant number, since it is smaller than the sum of its proper divisors (54274582).

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

48912290 is a wasteful number, since it uses less digits than its factorization.

48912290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771 (or 764 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 48912290 is about 6993.7321939005. The cubic root of 48912290 is about 365.7121020232.

The spelling of 48912290 in words is "forty-eight million, nine hundred twelve thousand, two hundred ninety".