5213550 has 24 divisors (see below), whose sum is σ = 12929976. Its totient is φ = 1390240.

The previous prime is 5213539. The next prime is 5213561. The reversal of 5213550 is 553125.

5213550 = 177² + 178² + ... + 276².

It is an interprime number because it is at equal distance from previous prime (5213539) and next prime (5213561).

It is a super-2 number, since 2×5213550² = 54362207205000, which contains 22 as substring.

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, 17229 + ... + 17528.

It is an arithmetic number, because the mean of its divisors is an integer number (538749).

Almost surely, 2^5213550 is an apocalyptic number.

5213550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5213550 is an abundant number, since it is smaller than the sum of its proper divisors (7716426).

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

5213550 is a wasteful number, since it uses less digits than its factorization.

5213550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34772 (or 34767 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 5213550 is about 2283.3199512990. The cubic root of 5213550 is about 173.3981718311.

Adding to 5213550 its reverse (553125), we get a palindrome (5766675).

The spelling of 5213550 in words is "five million, two hundred thirteen thousand, five hundred fifty".