561125050 has 12 divisors (see below), whose sum is σ = 1043692686. Its totient is φ = 224450000.

The previous prime is 561125027. The next prime is 561125063. The reversal of 561125050 is 50521165.

It can be written as a sum of positive squares in 3 ways, for example, as 549855601 + 11269449 = 23449^2 + 3357^2 .

It is a super-2 number, since 2×561125050² = 629722643475005000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5611201 + ... + 5611300.

Almost surely, 2^561125050 is an apocalyptic number.

561125050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

561125050 is a deficient number, since it is larger than the sum of its proper divisors (482567636).

561125050 is a wasteful number, since it uses less digits than its factorization.

561125050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11222513 (or 11222508 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 561125050 is about 23688.0782251326. The cubic root of 561125050 is about 824.8086731104.

It can be divided in two parts, 5611250 and 50, that multiplied together give a square (280562500 = 16750²).

The spelling of 561125050 in words is "five hundred sixty-one million, one hundred twenty-five thousand, fifty".