61494552 has 96 divisors (see below), whose sum is σ = 197433600. Its totient is φ = 17565984.

The previous prime is 61494541. The next prime is 61494581. The reversal of 61494552 is 25549416.

61494552 is a `hidden beast` number, since 6 + 14 + 94 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11349 + ... + 15867.

It is an arithmetic number, because the mean of its divisors is an integer number (2056600).

Almost surely, 2^61494552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61494552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98716800).

61494552 is an abundant number, since it is smaller than the sum of its proper divisors (135939048).

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

61494552 is a wasteful number, since it uses less digits than its factorization.

61494552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4547 (or 4531 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 61494552 is about 7841.8462111929. The cubic root of 61494552 is about 394.7106827633.

It can be divided in two parts, 6149 and 4552, that added together give a palindrome (10701).

The spelling of 61494552 in words is "sixty-one million, four hundred ninety-four thousand, five hundred fifty-two".