61952550 has 48 divisors (see below), whose sum is σ = 167614272. Its totient is φ = 15018400.

The previous prime is 61952549. The next prime is 61952557. The reversal of 61952550 is 5525916.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61952557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17124 + ... + 20423.

It is an arithmetic number, because the mean of its divisors is an integer number (3491964).

Almost surely, 2^61952550 is an apocalyptic number.

61952550 is an abundant number, since it is smaller than the sum of its proper divisors (105661722).

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

61952550 is a wasteful number, since it uses less digits than its factorization.

61952550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37573 (or 37568 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 61952550 is about 7870.9942192839. The cubic root of 61952550 is about 395.6881664052.

The spelling of 61952550 in words is "sixty-one million, nine hundred fifty-two thousand, five hundred fifty".