550957400 has 48 divisors (see below), whose sum is σ = 1463976240. Its totient is φ = 188899200.

The previous prime is 550957397. The next prime is 550957411. The reversal of 550957400 is 4759055.

It is a super-2 number, since 2×550957400² = 607108113229520000, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 195371 + ... + 198170.

It is an arithmetic number, because the mean of its divisors is an integer number (30499505).

Almost surely, 2^550957400 is an apocalyptic number.

550957400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550957400 is an abundant number, since it is smaller than the sum of its proper divisors (913018840).

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

550957400 is a wasteful number, since it uses less digits than its factorization.

550957400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393564 (or 393555 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 550957400 is about 23472.4817605638. The cubic root of 550957400 is about 819.7963999773.

The spelling of 550957400 in words is "five hundred fifty million, nine hundred fifty-seven thousand, four hundred".