61514448 has 20 divisors (see below), whose sum is σ = 158912448. Its totient is φ = 20504800.

The previous prime is 61514437. The next prime is 61514491. The reversal of 61514448 is 84441516.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 640728 + ... + 640823.

Almost surely, 2^61514448 is an apocalyptic number.

It is an amenable number.

61514448 is an abundant number, since it is smaller than the sum of its proper divisors (97398000).

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

61514448 is a wasteful number, since it uses less digits than its factorization.

61514448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281562 (or 1281556 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 61514448 is about 7843.1146874185. The cubic root of 61514448 is about 394.7532465173.

The spelling of 61514448 in words is "sixty-one million, five hundred fourteen thousand, four hundred forty-eight".