49087800 has 72 divisors (see below), whose sum is σ = 164859240. Its totient is φ = 13089600.

The previous prime is 49087793. The next prime is 49087817. The reversal of 49087800 is 878094.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×49087800² = 4819224217680000, 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 an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11836 + ... + 15435.

Almost surely, 2^49087800 is an apocalyptic number.

49087800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49087800 is an abundant number, since it is smaller than the sum of its proper divisors (115771440).

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

49087800 is a wasteful number, since it uses less digits than its factorization.

49087800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27293 (or 27281 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 49087800 is about 7006.2686217415. The cubic root of 49087800 is about 366.1490032024.

The spelling of 49087800 in words is "forty-nine million, eighty-seven thousand, eight hundred".