50561572 has 6 divisors (see below), whose sum is σ = 88482758. Its totient is φ = 25280784.

The previous prime is 50561557. The next prime is 50561579. The reversal of 50561572 is 27516505.

It can be written as a sum of positive squares in only one way, i.e., 47554816 + 3006756 = 6896^2 + 1734^2 .

It is a super-2 number, since 2×50561572² = 5112945126222368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50561579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6320193 + ... + 6320200.

Almost surely, 2^50561572 is an apocalyptic number.

It is an amenable number.

50561572 is a deficient number, since it is larger than the sum of its proper divisors (37921186).

50561572 is a wasteful number, since it uses less digits than its factorization.

50561572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12640397 (or 12640395 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 50561572 is about 7110.6660728795. Note that the first 3 decimals coincide. The cubic root of 50561572 is about 369.7772508790. Note that the first 3 decimals are identical.

The spelling of 50561572 in words is "fifty million, five hundred sixty-one thousand, five hundred seventy-two".