52950290 has 8 divisors (see below), whose sum is σ = 95310540. Its totient is φ = 21180112.

The previous prime is 52950281. The next prime is 52950299. The reversal of 52950290 is 9205925.

It is an interprime number because it is at equal distance from previous prime (52950281) and next prime (52950299).

It can be written as a sum of positive squares in 2 ways, for example, as 51652969 + 1297321 = 7187^2 + 1139^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×52950290² = 5607466422168200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52950299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2647505 + ... + 2647524.

Almost surely, 2^52950290 is an apocalyptic number.

52950290 is a deficient number, since it is larger than the sum of its proper divisors (42360250).

52950290 is a wasteful number, since it uses less digits than its factorization.

52950290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5295036.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 52950290 is about 7276.6949915466. The cubic root of 52950290 is about 375.5111016024.

The spelling of 52950290 in words is "fifty-two million, nine hundred fifty thousand, two hundred ninety".