61470552 has 64 divisors (see below), whose sum is σ = 180552960. Its totient is φ = 17193600.

The previous prime is 61470527. The next prime is 61470553. The reversal of 61470552 is 25507416.

It is a hoax number, since the sum of its digits (30) 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 (61470553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5524 + ... + 12387.

It is an arithmetic number, because the mean of its divisors is an integer number (2821140).

Almost surely, 2^61470552 is an apocalyptic number.

It is an amenable number.

61470552 is an abundant number, since it is smaller than the sum of its proper divisors (119082408).

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

61470552 is a wasteful number, since it uses less digits than its factorization.

61470552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17944 (or 17940 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 61470552 is about 7840.3158099658. The cubic root of 61470552 is about 394.6593270539.

Adding to 61470552 its reverse (25507416), we get a palindrome (86977968).

The spelling of 61470552 in words is "sixty-one million, four hundred seventy thousand, five hundred fifty-two".