61455416 has 24 divisors (see below), whose sum is σ = 126658560. Its totient is φ = 27933840.

The previous prime is 61455413. The next prime is 61455439.

61455416 is nontrivially palindromic in base 10.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61455413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30776 + ... + 32711.

It is an arithmetic number, because the mean of its divisors is an integer number (5277440).

Almost surely, 2^61455416 is an apocalyptic number.

It is an amenable number.

61455416 is an abundant number, since it is smaller than the sum of its proper divisors (65203144).

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

61455416 is a wasteful number, since it uses less digits than its factorization.

61455416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63515 (or 63500 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 61455416 is about 7839.3504832990. The cubic root of 61455416 is about 394.6269318460.

The spelling of 61455416 in words is "sixty-one million, four hundred fifty-five thousand, four hundred sixteen".