61955850 has 48 divisors (see below), whose sum is σ = 167623200. Its totient is φ = 15019200.

The previous prime is 61955833. The next prime is 61955857. The reversal of 61955850 is 5855916.

It is a junction number, because it is equal to n+sod(n) for n = 61955799 and 61955808.

It is not an unprimeable number, because it can be changed into a prime (61955857) 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, 17125 + ... + 20424.

It is an arithmetic number, because the mean of its divisors is an integer number (3492150).

Almost surely, 2^61955850 is an apocalyptic number.

61955850 is an abundant number, since it is smaller than the sum of its proper divisors (105667350).

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

61955850 is a wasteful number, since it uses less digits than its factorization.

61955850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37575 (or 37570 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 39.

The square root of 61955850 is about 7871.2038469347. The cubic root of 61955850 is about 395.6951919312.

The spelling of 61955850 in words is "sixty-one million, nine hundred fifty-five thousand, eight hundred fifty".