61051050 has 96 divisors (see below), whose sum is σ = 172488960. Its totient is φ = 15868800.

The previous prime is 61051037. The next prime is 61051051. The reversal of 61051050 is 5015016.

61051050 is a `hidden beast` number, since 610 + 5 + 1 + 0 + 50 = 666.

It is a super-2 number, since 2×61051050² = 7454461412205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (61051051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54799 + ... + 55901.

It is an arithmetic number, because the mean of its divisors is an integer number (1796760).

Almost surely, 2^61051050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61051050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86244480).

61051050 is an abundant number, since it is smaller than the sum of its proper divisors (111437910).

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

61051050 is a wasteful number, since it uses less digits than its factorization.

61051050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165 (or 1154 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 61051050 is about 7813.5171337881. The cubic root of 61051050 is about 393.7595009045.

Adding to 61051050 its reverse (5015016), we get a palindrome (66066066).

The spelling of 61051050 in words is "sixty-one million, fifty-one thousand, fifty".