61544052 has 36 divisors (see below), whose sum is σ = 160590976. Its totient is φ = 19852560.

The previous prime is 61544027. The next prime is 61544053. The reversal of 61544052 is 25044516.

61544052 is a `hidden beast` number, since 615 + 4 + 40 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61544053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26458 + ... + 28689.

Almost surely, 2^61544052 is an apocalyptic number.

61544052 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

61544052 is an abundant number, since it is smaller than the sum of its proper divisors (99046924).

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

61544052 is a wasteful number, since it uses less digits than its factorization.

61544052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55188 (or 55183 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 61544052 is about 7845.0017208411. The cubic root of 61544052 is about 394.8165617292.

Subtracting from 61544052 its sum of digits (27), we obtain a square (61544025 = 7845²).

Adding to 61544052 its reverse (25044516), we get a palindrome (86588568).

The spelling of 61544052 in words is "sixty-one million, five hundred forty-four thousand, fifty-two".