61051628 has 24 divisors (see below), whose sum is σ = 119706384. Its totient is φ = 27000000.

The previous prime is 61051619. The next prime is 61051649. The reversal of 61051628 is 82615016.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 61051628.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17123 + ... + 20378.

It is an arithmetic number, because the mean of its divisors is an integer number (4987766).

Almost surely, 2^61051628 is an apocalyptic number.

It is an amenable number.

61051628 is a deficient number, since it is larger than the sum of its proper divisors (58654756).

61051628 is a wasteful number, since it uses less digits than its factorization.

61051628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37553 (or 37551 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 61051628 is about 7813.5541208851. The cubic root of 61051628 is about 393.7607435382.

The spelling of 61051628 in words is "sixty-one million, fifty-one thousand, six hundred twenty-eight".